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Analysis

  • max time kernel
    140s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 14:12

General

  • Target

    Bank Copy 022824001.pdf.exe

  • Size

    703KB

  • MD5

    c56407abd66f8bb4eaa318e56f464f71

  • SHA1

    134d8ad6789d8c500005754da686ddc7d46e92d1

  • SHA256

    18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38

  • SHA512

    6f52056d194dcaedba67bf2f29a7036e4172008085ee6cd1c0734077801c28c961501d1c535cd3bb7086c08cf7ffc29de9098770dbe93bd382554242a0ae07cc

  • SSDEEP

    12288:vW+L9bW9ezd6Ztw4C8zFVK52RoA5UCWEFElQ+Nij2DGoNHJqCf9OK96bkR:vbL9iyYnRC8zA26A5hxOlQ+cCJNHgKE+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Copy 022824001.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Copy 022824001.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Bank Copy 022824001.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nvLQFOOBRNypY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nvLQFOOBRNypY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7A4E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\Bank Copy 022824001.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Copy 022824001.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7A4E.tmp

    Filesize

    1KB

    MD5

    ff0a953a3db3cf11a887d2b8088ef5b4

    SHA1

    d9a1048e71ce919f33c5034b7aebe105607143d6

    SHA256

    39ba6d0df20b694d1985f40bb8eae7b4687d3faba60756e5b7271ae360bda5f5

    SHA512

    e9d7f987af5401cce797ac2f760720eaf1b5957f2be5007cabb2adc99b0616dfb8893aebc69f6fb1b2b45642a49bec17f51e118b7d742a3138b7036fb4a9d921

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    c545aca9b2aa76972bf6f3cb7e7ea3b1

    SHA1

    aae8650adbf4d7ba2a5443b41d0d760adbe3b089

    SHA256

    9518c38f34198f7acbacdb94382231b76bba68a23cad3f25f50ceb2cdad962e4

    SHA512

    8fde65d585e2b5bab75fa2cdfe0645a9be02ed98fedf647d40a8c71942d1dc565c0e01a39843ec902854930c284fab4c24b09c0dc9d137ed6e6ec788b2abab67

  • memory/2212-34-0x0000000074BA0000-0x000000007528E000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-1-0x0000000074BA0000-0x000000007528E000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-2-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

    Filesize

    256KB

  • memory/2212-3-0x0000000000A10000-0x0000000000A2C000-memory.dmp

    Filesize

    112KB

  • memory/2212-4-0x00000000008F0000-0x00000000008FC000-memory.dmp

    Filesize

    48KB

  • memory/2212-5-0x0000000000A30000-0x0000000000A42000-memory.dmp

    Filesize

    72KB

  • memory/2212-6-0x0000000005990000-0x0000000005A14000-memory.dmp

    Filesize

    528KB

  • memory/2212-0-0x0000000000BD0000-0x0000000000C82000-memory.dmp

    Filesize

    712KB

  • memory/2616-38-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-47-0x0000000004B90000-0x0000000004BD0000-memory.dmp

    Filesize

    256KB

  • memory/2616-46-0x0000000073910000-0x0000000073FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-35-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-43-0x0000000073910000-0x0000000073FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2640-33-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/2640-39-0x000000006F940000-0x000000006FEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-40-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/2640-42-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/2640-45-0x000000006F940000-0x000000006FEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-28-0x000000006F940000-0x000000006FEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-41-0x0000000002290000-0x00000000022D0000-memory.dmp

    Filesize

    256KB

  • memory/3028-37-0x000000006F940000-0x000000006FEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-44-0x000000006F940000-0x000000006FEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-31-0x000000006F940000-0x000000006FEEB000-memory.dmp

    Filesize

    5.7MB